Lukáš Herman

Hi @ahmetmircik, reproduced against master bc3db27496121a9a83bf7ceab7a8639848e8305d, please find attached logs. I have added threadName INFO logging inside `storeAll` and two writer threads were observed consistently, example: ``` 10:28:19,225 INFO ||...

> Please sign the CLA so we can proceed @lukasherman. I have signed it several times already, please check.